2020 5oz Australian Kookaburra Silver Proof HR Gold Gilded 30th Anniversary Coin. This 2020 5oz Australian Kookaburra Silver Proof HR Rose Gold Gilded 30th Anniversary Coin is a must-have for any serious coin collector. With its beautiful design and high-quality craftsmanship, it is a true work of art. The coin features a commemorative design that celebrates 30 years of the Kookaburra coin series, making it a unique and valuable addition to any collection. Crafted from pure silver and with a gold gilded finish, this coin is a true masterpiece. As an Australian-made coin, it is a wonderful representation of the country's rich history and culture. This is a rare and remarkable coin that any collector would be proud to own.